Bussmann
Buss Non 6 Amp One-Time Fuse
Buss Non 6 Amp One-Time Fuse
Only 2 left
Free shippingShips next business day
$6.99
Circuit Breakers, Fuses & Protection
3,512 listings · 3,458 in stock
3,512 Circuit Breakers, Fuses & Protection listings in 8 categories, from makers like Bussmann, Mersen, Eaton. Surplus, used and new-surplus, every item photographed. Free shipping in the lower 48 and zero lead time on everything in stock.
Categories in Circuit Breakers, Fuses & Protection
- Fuses1,575 in stock
- Circuit Breakers & Accessories828 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Gould
USM3I
Gould Ultrasafe USM3I Fuse Holder 3-Pole 30A 600V DIN Rail Industrial Electrical
Only 1 left
Free shippingShips next business day
$12.89
Square D
QO120
Square D QO120 Circuit Breaker 20A 1-Pole 120/240V 10kA Plug-In Electrical USA
Only 3 left
Free shippingShips next business day
$6.89
Federal Pacific
NA140
Federal Pacific NA140 Stab-Lok Circuit Breaker 40A 1-Pole 120/240V Electrical
In stock
Free shippingShips next business day
$13.89
Square D
FS-260RB
Square D FS-260RB Fusible Pullout Disconnect 60A 120/240VAC Rainproof Electrical
Only 1 left
Free shippingShips next business day
$80.89
Siemens
CFSTS6804
Siemens CFSTS6804 Shroud Kit 600-800A Circuit Breaker Terminal Cover Electrical
Only 3 left
Free shippingShips next business day
$54.89
Hubbell
GF83001
Hubbell GF83001 5Z831 GFCI Ground Fault Duplex Receptacle 20A 125V Industrial
Only 1 left
Free shippingShips next business day
$14.89
Mersen
Ferraz Shawmut ATMR 1-1/2 Class CC Fuse 1.5A 600
Ferraz Shawmut ATMR 1-1/2 Class CC Fuse 1.5A 600VAC Current Limiting Industrial
Only 3 left
Free shippingShips next business day
$6.89
Littelfuse
FLQ-3
Littelfuse FLQ-3 Midget Time Delay Fuse 3A 500VAC Slo-Blo Industrial Electrical
Only 1 left
Free shippingShips next business day
$6.89
Littelfuse
Littelfuse FLM 1-8/10 Midget Time Delay Fuse 1.8
Littelfuse FLM 1-8/10 Midget Time Delay Fuse 1.8A 250VAC Slo-Blo Electrical USA
Only 3 left
Free shippingShips next business day
$6.89
Bussmann
JJS-3
Bussmann T-Tron JJS-3 Very Fast Acting Fuse 3 Amp 600VAC Class T Electrical USA
In stock
Free shippingShips next business day
$6.89
Littelfuse
Littelfuse FLNR 5-6/10 Slo-Blo Time Delay Fuse 5
Littelfuse FLNR 5-6/10 Slo-Blo Time Delay Fuse 5.6A 250VAC Class RK5 Industrial
Only 2 left
Free shippingShips next business day
$10.89
Littelfuse
FLM-1
Littelfuse FLM-1 Midget Time Delay Fuse 1A 250VAC Slo-Blo Industrial Electrical
In stock
Free shippingShips next business day
$6.89
Mersen
ATM15
Ferraz Shawmut ATM15 Amp-Trap Midget Fuse 15A 600VAC Fast Acting Industrial USA
In stock
Free shippingShips next business day
$6.89
Bussmann
NON-15
Bussmann NON-15 One-Time Fuse 15 Amp 250VAC Class K5 Cartridge Industrial USA
Only 3 left
Free shippingShips next business day
$6.89
Littelfuse
Littelfuse FLM 1-1/2 Midget Time Delay Fuse 1.5A
Littelfuse FLM 1-1/2 Midget Time Delay Fuse 1.5A 250VAC Slo-Blo Electrical USA
Only 2 left
Free shippingShips next business day
$6.89
Littelfuse
FLNR5
Littelfuse FLNR5 Slo-Blo Time Delay Fuse 5 Amp 250VAC Class RK5 Dual Element USA
In stock
Free shippingShips next business day
$6.89
Bussmann
FNM-3
Bussmann Fusetron FNM-3 1/2 Dual Element Time Delay Fuse 3.5A 250VAC Midget USA
Only 4 left
Free shippingShips next business day
$6.89
Mersen
Ferraz Shawmut FRM 1/8 Midget Fuse 0.125A 250V T
Ferraz Shawmut FRM 1/8 Midget Fuse 0.125A 250V Time Delay Industrial Electrical
In stock
Free shippingShips next business day
$11.89
Littelfuse
Littelfuse FLNR 12 Slo-Blo Time Delay Fuse 12A 2
Littelfuse FLNR 12 Slo-Blo Time Delay Fuse 12A 250VAC Class RK5 Dual Element USA
Only 3 left
Free shippingShips next business day
$6.89
Bussmann
KTK-R-2
Bussmann KTK-R-2 Limitron Class CC Fast-Acting Fuse 2A 600V Industrial Parts USA
Only 2 left
Free shippingShips next business day
$6.89
Bussmann
FNQ-R-3
Bussmann FNQ-R-3 CC-Tron Class CC Time-Delay Fuse 3A 600VAC Current Limiting USA
In stock
Free shippingShips next business day
$6.89
Littelfuse
FLM-20
Littelfuse FLM-20 Time-Delay Fuse 20A 250VAC Midget Slo-Blo Industrial Parts USA
Only 2 left
Free shippingShips next business day
$6.89
Bussmann
FNM-1-8/10
Bussmann FNM-1-8/10 Fusetron Dual-Element Time-Delay Fuse 1.8A 250VAC Midget USA
In stock
Free shippingShips next business day
$6.89
Get a quote on Circuit Breakers, Fuses & Protection
Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities – we reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).
Guides for Circuit Breakers, Fuses & Protection
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting – and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives – and where to look for the date of manufacture.